Express the sum using summation notation.42 + 83 + 124 + ... + 329
A. 
B. 
C. 
D. 
Answer: A
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Write an equation for the line described. Write the equation in the form specified.perpendicular to 5x - 9y = -20, through (5, -5); standard form
A. 5x + 9y = -20 B. 5x + 9 = 5 C. 9x + 5y = 20 D. 9x - 5y = 20
Refer to this figure to decide whether the statement is true or false. 
is parallel to 
.
A. True B. False
Solve the problem.A pair of running shoes costs $84 and a pair of basketball shoes costs 
Find the total cost for both pairs of shoes.
A. $40 B. $147 C. $21 D. $143
The ordering and transportation cost C for components used in a manufacturing process is approximated by 
, where C is measured in thousands of dollars and x is the order size in hundreds. According to Rolle's Theorem, the rate of change of the cost must be 0 for some order size in the interval 
varid="variable_id_field" variablename="impvar_a5d09209305f43ff982c6a46b" />. Find this order size. Round your answer to three decimal places. ? A. 8.196 components B. 5.598 components C. 6.674 components D. 5.174 components E. 28 components